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A B737-300 cabin seats at the emergency over-wing exit were removed for maintenance and reinstalled as per opposite side. Seats on right and left side were incorrect installation.
| Attributes | |
| ACN | 722966 |
| Time | |
| Date | 200608 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : preflight |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance technician : 33 |
| ASRS Report | 722966 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : far non adherence : published procedure |
| Independent Detector | other other : 3 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated other other |
| Factors | |
| Maintenance | performance deficiency : inspection performance deficiency : installation performance deficiency : logbook entry performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Chart Or Publication Cabin Crew Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
FAA investigation incorrect seats were installed on air carrier X. We reinstalled seats 10 ab; 11 abc and 12 abc in the order positioned in the cabin. In reference to maintenance manual 25-22-94 and to ensure published dimensions and break over; the seats were removed for access for other maintenance. The same seats were reinstalled as laid out on the opposite side of cabin. Suspect seat assemblies incorrect when removed for maintenance. Never assume the right parts were installed originally.
Original NASA ASRS Text
Title: A B737-300 CABIN SEATS AT THE EMER OVER-WING EXIT WERE REMOVED FOR MAINT AND REINSTALLED AS PER OPPOSITE SIDE. SEATS ON R AND L SIDE WERE INCORRECT INSTALLATION.
Narrative: FAA INVESTIGATION INCORRECT SEATS WERE INSTALLED ON ACR X. WE REINSTALLED SEATS 10 AB; 11 ABC AND 12 ABC IN THE ORDER POSITIONED IN THE CABIN. IN REF TO MAINT MANUAL 25-22-94 AND TO ENSURE PUBLISHED DIMENSIONS AND BREAK OVER; THE SEATS WERE REMOVED FOR ACCESS FOR OTHER MAINT. THE SAME SEATS WERE REINSTALLED AS LAID OUT ON THE OPPOSITE SIDE OF CABIN. SUSPECT SEAT ASSEMBLIES INCORRECT WHEN REMOVED FOR MAINT. NEVER ASSUME THE RIGHT PARTS WERE INSTALLED ORIGINALLY.
Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.